ANOP, A. V.; KASIRENKO, T. M.; MURACH, A. A. Irregular elliptic boundary-value problems and Hörmander spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 70, n. 3, p. 299–317, 2018. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1558. Acesso em: 5 dec. 2025.